A research team is investigating the effectiveness of a peer support program on reducing symptoms of depression in university students. They recruit 80 students who self-identify as experiencing mild to moderate depressive symptoms and randomly assign them to either a peer support group (n=40) or a waitlist control group (n=40). The peer support group meets weekly for 8 weeks, facilitated by trained peer mentors. Depressive symptoms are measured using the Beck Depression Inventory-II (BDI-II) at baseline (pre-intervention) and post-intervention. The researchers calculate the mean change in BDI-II scores for each group and conduct an independent samples t-test to compare the groups. The t-test reveals a statistically significant difference (p < 0.05) in the mean change scores, with the peer support group showing a greater reduction in depressive symptoms. The researchers conclude that the peer support program is effective in reducing depression among university students.
b. Discuss how the BDI-II data generation method may have impacted the validity of the conclusion drawn by the researchers.
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Create Free Account Log inThis is a free VCE Units 3 & 4 Psychology practice question worth 4 marks, testing your understanding of Method limitations. It falls under How is scientific inquiry used to investigate mental processes and psychological functioning? in Unit 4: How is mental wellbeing supported and maintained?. Submit your answer above to receive instant AI-powered marking and personalised feedback.
In this unit students explore the demand for sleep and the influences of sleep on mental wellbeing. They consider how changes to a person’s sleep-wake cycle can affect psychological functioning. Students explore the concept of mental wellbeing, including social and emotional wellbeing as a multidimensional and holistic framework. They apply a biopsychosocial approach to specific phobia, exploring how biological, psychological and social factors are involved in its development and management. A student-designed scientific investigation involving the generation of primary data related to mental processes and mental wellbeing is undertaken in either Unit 3 or Unit 4 or across both Units 3 and 4, and is assessed in Outcome 3 of this unit.
Students undertake a student-designed scientific investigation in either Unit 3 or Unit 4, or across both Units 3 and 4, related to mental processes and mental wellbeing. The investigation involves the generation of primary quantitative data. Students apply key science skills to develop and test a research question, gather and analyse data, and communicate findings in a structured scientific poster. A logbook is maintained for authentication and assessment purposes.
assumptions and limitations of investigation methodology and/or data generation and/or analysis methods
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